LIST OF THE PLATES. 



Information concerning the Skulls A — P is given in the Explanation of Plates 13 — 17, in the pages 



preceding Plate 13. 



Plate 1. — Coloured figures of the bandoliers of Okapi skin sent to Dr. P. L. Sclater by 

 Sir Harry Johnston in 1900 (the two co-types of Equus (?) jokmtoni, Sclater, now in the British 

 Museum), and of the hind quarters of the mounted specimens in the British Museum presented 

 respectively by Sir Harry Johnston and Major Powell Cotton. 



Plate 2. — Coloured figures of the horns (ossicones) of Okapi skull in the Museum d'Histoire 

 Naturelle, Paris. (This skull is that denoted Skull P in the list preceding Plate 13.) a, in fig. 2, 

 the line of erosion of the extremity of the ossicone; b, the hard white extremity of the ossicone 

 that protrudes through the skin. These figures were prepared in Paris for Sir Ray Lankester under 

 the kind supervision of Prof. Edmond Perrier. 



Plate 3. — Dorsal views of Skulls A and B. Skull A is that presented to the British Museum 

 by Sir Harry Johnston ; the premaxillae are wanting in the actual specimen and are drawn of a pale 

 tint, as also in Plate 4, fig. 1, and in Plate 8. Skull B is that purchased by the British Museum of 

 Major Powell-Cotton. 



Plate 4. — Dorsal views of Skulls C and D, and figures of ossicones of Skull C. In figs, la, lb, 

 and lc the ossicones are drawn of the natural size, not half natural size as stated on the plate. 

 Skull C is that purchased by the British Museum of Mr. Rowland Ward; Skull D is that presented 

 to the British Museum by the late Mr. Boyd Alexander. 



Plate 5. — Dorsal views of Skulls D and E. Skull D is that presented to the British Museum 

 by the late Mr. Boyd Alexander; Skull E is that in Major Powell-Cotton's private collection. 



Plate G. — Palatal views of Skulls D and E. Skull D is that presented to the British Museum 

 by the late Mr. Boyd Alexander; Skull E is that in Major Powell-Cotton's private collection. 



Plate 7. — Palatal views of Skulls F and B. Skull F is that in the Hon. Walter Rothschild's 

 museum at Tring; Skull B is that purchased by the British Museum of Major Powell-Cotton. 



Plate 8. — Side views of Skulls C and A. Skull C is that purchased by the British Museum of 

 Mr. Rowland Ward; Skull A is that presented to the British Museum by Sir Harry Johnston, 

 a, in fig. 1, the rudimentary ossicone in position. Compare with figs, la, lb, and lc in Plate 4. 



Plate 9. — Side view of Skull B, and figures of ossicones and teeth of the same. Skull B is that 

 purchased by the British Museum of Major Powell-Cotton. 



Plate 10. — Side view of Skull E, and figures of teeth of the same, and of the praeorbital 

 tubercle of Skulls B, D, and E. Skull E is that in Major Powell-Cotton's private collection; 

 Skull B is that purchased by the British Museum of Major Powell-Cotton; Skull D is that presented 

 to the British Museum by the late Mr. Boyd Alexander, x, in fig. 1, the hard white tip of the 

 ossicone which protrudes through the skin. Compare with b in Plate 2, fig. 2. 



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